First off, there is the whole Canadian thing. We all know those snow-munchers are nothing but trouble.
Secondly, he refuses to defend a position. It is simple to be an observer, but it requires conviction to take a stand.
Thirdly, when presented with facts refuting your position, it is not good debating tactics to just ignore them.
Also, Nash is a known abuser of shelving; I have seen the photos and it ain't pretty.